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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CCRenderPass_h
#define CCRenderPass_h
#include "SkColor.h"
#include "cc/CCOcclusionTracker.h"
#include <wtf/PassOwnPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class CCDrawQuad;
class CCLayerImpl;
class CCRenderSurface;
class CCSharedQuadState;
// A list of CCDrawQuad objects, sorted internally in front-to-back order.
class CCQuadList : public Vector<OwnPtr<CCDrawQuad> > {
public:
typedef reverse_iterator backToFrontIterator;
typedef const_reverse_iterator constBackToFrontIterator;
inline backToFrontIterator backToFrontBegin() { return rbegin(); }
inline backToFrontIterator backToFrontEnd() { return rend(); }
inline constBackToFrontIterator backToFrontBegin() const { return rbegin(); }
inline constBackToFrontIterator backToFrontEnd() const { return rend(); }
};
class CCRenderPass {
WTF_MAKE_NONCOPYABLE(CCRenderPass);
public:
static PassOwnPtr<CCRenderPass> create(CCRenderSurface*, int id);
void appendQuadsForLayer(CCLayerImpl*, CCOcclusionTrackerImpl*, bool& hadMissingTiles);
void appendQuadsForRenderSurfaceLayer(CCLayerImpl*, const CCRenderPass* contributingRenderPass, CCOcclusionTrackerImpl*);
void appendQuadsToFillScreen(CCLayerImpl* rootLayer, SkColor screenBackgroundColor, const CCOcclusionTrackerImpl&);
const CCQuadList& quadList() const { return m_quadList; }
int id() const { return m_id; }
CCRenderSurface* targetSurface() const { return m_targetSurface; }
// This denotes the bounds in physical pixels of the output generated by this RenderPass.
const IntRect& framebufferOutputRect() const { return m_framebufferOutputRect; }
bool hasTransparentBackground() const { return m_hasTransparentBackground; }
void setHasTransparentBackground(bool transparent) { m_hasTransparentBackground = transparent; }
protected:
CCRenderPass(CCRenderSurface*, int id);
int m_id;
CCRenderSurface* m_targetSurface;
CCQuadList m_quadList;
IntRect m_framebufferOutputRect;
Vector<OwnPtr<CCSharedQuadState> > m_sharedQuadStateList;
bool m_hasTransparentBackground;
};
typedef Vector<OwnPtr<CCRenderPass> > CCRenderPassList;
}
#endif
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